What StephenVa says. The Conti DWS all-seasons on mine did fine in 'snowmaggedon' here in ATL last winter, but I'm sure dedicated snow tires would do better if you are in hilly country in western MA and deal with icy/snowy secondary roads in your normal winter driving.

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2006 X5 3.0 6-spd w/Evo UUC ssk
sport/premium pkgs
born Valentine's Day, 2006.